Benzinga's Top Pre-Market Gainers

Amicus Therapeutics FOLD added 10.30% to $3.64 in the pre-market session. Amicus Theraputics reported positive preliminary results from Phase 2 Chaperone-ERT study. Research In Motion RIMM surged 2.79% to $11.79 in the pre-market session. Research In Motion's trailing-twelve-month revenue is $12.59 billion. SIRIUS XM Radio SIRI soared 2.60% to $3.16 in the pre-market trading. SIRIUS XM Radio's PEG ratio is 0.20. AutoNation AN moved up 1.18% to $41.03 in the pre-market session. AutoNation reported a 15% rise in its December sales.